$baseFontSize:14px;

@mixin min-screen($screen) {
    @media only screen and ( min-width: $screen)
    {
        @content;
    }
}

@for $i from 32 through 100{
    @include min-screen($i*10+px){
        .con_top1 a{font-size:$i/10*10+px}
        .con_top1 a p{font-size:$i/25*10+px}
        .product_in tr td{font-size:$i/20*10+px}
        .con_time .con_time_in .con_ul li a .con_li{font-size:$i/30*10+px}
        .con_time .con_time_in .con_ul li a .con_li i{font-size:$i/27*10+px}
    }
}